bug fix

src/modules/exam-center/views/WaitTaskDetail.vue

@@ -177,6 +177,9 @@ export default {
       );
       this.paperAttachments.splice(index, 1, { ...this.curAttachment });
       this.pTypeEnableChange(this.pTypeEnable);
+      this.task.paperAttachmentId = JSON.stringify({
+        paper: this.curPaperAttachments
+      });
     },
     toCreateCard() {
       if (this.task.cardId) {